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When an object of mass m1 is hung on a vertical spring and set into vertical simple harmonic motion, it oscillates at a frequency of 10.7 Hertz. When another object of mass m2 is hung on the spring along with the first object, the frequency of the motion is 4.50 Hertz. Obtain the ratio m2/m1 of the masses.
A disk-shaped merry-go-round of radius 2.43 {\rm m} andmass 185 {\rm kg} rotates freely with anangular speed of0.701 {\rm rev/s}.A 60.4 {\rm kg} person runningtangential to the rim of the merry-go-roundat 3.41 {\rm m/s} jumps onto its rimand holds..
An asteroid is discovered to have a tiny moon that orbits it in a circular path at a distance of 103 km and with a period of 47.0 h. The asteroid is roughly spherical (unusual for such a small body) with a radius of 24.9 km.
question1find out the coefficient of kinetic friction between a 3.15 kg block and horizontal surface on which it rests
a. 1.6m long string fixed at both ends vibrates at resonant frequencies of 780hz and 1040hz with no other resonant
Two thin convex lenses, A and B, lens A has a long focal length and lens B has a short focal length. which lens will produce an image at a smaller s'
When high-energy charged particles move through a transparent medium with a speed greater than the speed of light in that medium, Calculate the speed of the electrons in the water. The speed of light in water is 2.25 108 m/s
To tighten a spark plug, it is recommended that a torque of 15.6 N·m be applied. If a mechanic tightens the spark plug with a wrench that is 24.2 cm long, what is the minimum force necessary to create the desired torque?
Suppose a large conducting slab is polarized (one side is positive and the other is negative) What is the electric field force (E) inside the slab
A hollow, thin-shelled ball of mass m rolls along a horizontal surface with a translational speed of v. What percent of its total kinetic energy is translational
An object is placed 20 cm from a concave mirror of radius 19 cm. What is the magnification of the mirror
A battery produces 41.4 V when 7.40 A is drawn from it and 46.2 V when 2.20 A is drawn, What is the internal resistance of the battery
A polypropylene (pp) utility cart is absorbing RF radiation from a wifi laptop sitting on a metal stand over the cart. The polypropylene (pp) utility cart is now warm around its perimeter
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